| Patents for B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols (135,933) |
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| 07/21/1993 | EP0238654B1 Reduction of nitrogen- and carbon-based pollutants through the use of urea solutions |
| 07/21/1993 | CN1074525A Method and apparatus for changing harmful waste into harmless block mass |
| 07/21/1993 | CA2085565A1 Process for the purification of waste gases emitted from melting furnaces |
| 07/20/1993 | US5229345 Oxidation catalysts of metal oxides and electroconductive metals |
| 07/20/1993 | US5229097 Process for the production of chlorosilicates |
| 07/20/1993 | US5229091 Combusting tail gas, absorbing sulfur oxides, regenerating absorbent with reducing gas, directing off gas to Claus process to recover sulfur |
| 07/20/1993 | US5229090 Process for nitrogen oxides reduction to lowest achievable level |
| 07/20/1993 | US5229089 Pressure swing adsorption |
| 07/20/1993 | US5229078 Filter for the separation of impurities or contaminants |
| 07/20/1993 | US5229071 Air pollution control; hospital sterilizers |
| 07/20/1993 | US5228932 Fe-cr-al alloy, catalytic substrate comprising the same and method of preparation |
| 07/20/1993 | US5228888 Economical air separator |
| 07/20/1993 | US5228504 Heat exchanger |
| 07/20/1993 | US5228435 Single patient use disposable carbon dioxide absorber |
| 07/20/1993 | CA2055429C Multi-stage vortex reactor |
| 07/20/1993 | CA1320502C Polyalkyleneoxyamine catalysts for dialkyl disulfides and/or polysulfides used in dissolving sulfur |
| 07/20/1993 | CA1320452C Hydrostatic method employing psa vent gas pressure for vacuum regeneration |
| 07/15/1993 | DE4200514A1 Removal of nitrogen@ from turbine exhaust gases - by injection of reduction agent broken into transitional substances by exhaust heat energy before injection to catalytic converter |
| 07/14/1993 | EP0551158A1 Method and installation for conditioning the atmosphere in storage chamber for organic harvested produce |
| 07/14/1993 | EP0550905A1 Method for reducing emissions when burning nitrogen containing fuels |
| 07/14/1993 | CN1021547C Seperation method with adsorption |
| 07/14/1993 | CN1021546C Rotary bed super gravity field installation of turning lathe with extracting device |
| 07/13/1993 | US5227598 In place regeneration of adsorbents using microwaves |
| 07/13/1993 | US5227358 Reaction product of metal with tannic or gallic acid |
| 07/13/1993 | US5227356 Catalyst containing metal oxides for use in the degenerative oxidation of organic compounds present in exhaust gases from combustion plants |
| 07/13/1993 | US5227351 Copper oxide, manganese oxide, molybdenum oxide |
| 07/13/1993 | US5227342 Process of making porous ceramic materials with controlled porosity |
| 07/13/1993 | US5227145 Process for removing nitrogen oxides from exhaust gases |
| 07/13/1993 | US5227144 Process for air decontamination |
| 07/13/1993 | US5226937 Void-containing sorbent pad |
| 07/13/1993 | US5226934 Introducing gas into tank with means for contacting with molten sulfur and containing molten sulfur pool maintained at 123-160 degrees C., contacting gas with molten sulfur at 123-160 degrees, removing elemental sulfur |
| 07/13/1993 | US5226933 Pressure swing adsorption system to purify oxygen |
| 07/13/1993 | US5226932 Enhanced meambrane gas separations |
| 07/13/1993 | US5226931 Process for supplying nitrogen from an on-site plant |
| 07/13/1993 | US5226921 Control of the air ratio in a hot exhaust gas stream and oxygen probe therefor |
| 07/13/1993 | CA1320155C Separation of gaseous mixtures |
| 07/13/1993 | CA1320154C Pressure swing adsorption apparatus and process for recovery of oil-soluble vapors |
| 07/13/1993 | CA1320120C2 Industrial process for the separation and recovery of chlorine |
| 07/13/1993 | CA1320038C Removing co_ and, if necessary, h_s from gases |
| 07/13/1993 | CA1320026C Permeable membranes for enhanced gas separation |
| 07/08/1993 | WO1993013184A1 Process for treating gases obtained by coal gasification, residue gasification, refuse gasification or oil gasification |
| 07/08/1993 | WO1993013022A1 Method of introducing hydrogen into aqueous liquids without forming bubbles |
| 07/08/1993 | WO1993012908A1 Method of soldering catalyst supports in catalytic converters |
| 07/08/1993 | WO1993012880A1 Honeycomb construction with an inner structure held in a frame |
| 07/08/1993 | WO1993012867A1 Catalytic filtration device and method |
| 07/08/1993 | WO1993012866A1 Flexible hollow fiber fluid separation module |
| 07/08/1993 | WO1993012863A1 Exhaust emission control device in internal combustion engine |
| 07/08/1993 | WO1993012842A1 Process for treating metal-contaminated materials |
| 07/08/1993 | CA2126439A1 Method of introducing hydrogen into aqueous liquids without forming bubbles |
| 07/07/1993 | EP0550415A2 Polyoxometalate intercalated layered double hydroxides |
| 07/07/1993 | EP0550152A1 Treatment of water with ozone |
| 07/07/1993 | EP0550138A1 Monitoring and control system for selective regeneration of alkanolamine from cation ion exchange resin with sodium hydroxide |
| 07/07/1993 | EP0549930A1 Gas turbine plant |
| 07/07/1993 | EP0549904A1 Process for regulating the amount of treating agent for reducing the nitrogen oxide content of the exhaust gases from combustion processes |
| 07/07/1993 | EP0549891A1 Nitrogen oxides and sulfur oxides removal utilizing transport line adsorber |
| 07/07/1993 | EP0549885A1 Plasticizable admixtures and improved cordierite substrates made therefrom |
| 07/07/1993 | EP0549756A1 Gas scrubbing process and device, in particular for flue gas. |
| 07/07/1993 | EP0395702B1 Reactor for reducing the contents of nitrogen oxides and sulphur oxides in combustion gases |
| 07/07/1993 | CN1073888A Low pressure drop dry scrubber |
| 07/06/1993 | US5225390 Active oxide mixture of titanium, molybdenum and vanadium as reducing catalysts |
| 07/06/1993 | US5225384 Composite clay materials for removal of sox from gas streams |
| 07/06/1993 | US5225176 Scrubbing seawater and waste gases |
| 07/06/1993 | US5225175 Self-scrubbing removal of submicron particles from gaseous effluents |
| 07/06/1993 | US5225174 Solvent, organometallic complex |
| 07/06/1993 | US5225103 Aqueous aldehyde solutions for trapping hydrogen sulfide in natural gas and crude oil producing plants |
| 07/06/1993 | US5225086 Process for the treatment of wash water from the gas washing system of an iron ore reduction plant |
| 07/06/1993 | US5224972 Coatings with controlled porosity and chemical properties |
| 07/06/1993 | US5224350 Using nitrogen rejection units with membrane units and pressure swing absorption |
| 07/06/1993 | US5224334 Low NOx cogeneration process and system |
| 07/06/1993 | CA1319928C Catalyst for the oxidation of carbon compounds |
| 07/06/1993 | CA1319892C Hollow fiber separatory module with encased fiber bundle |
| 07/03/1993 | CA2058674A1 On-line rejuvenation of spent adsorbents |
| 07/01/1993 | DE4141696A1 Commercial vehicle brake air drying assembly - ensures adequate supply of compressed air under conditions of high demand and normal operating conditions |
| 07/01/1993 | CA2086184A1 Gas turbine arrangement |
| 06/30/1993 | EP0549284A1 Process for treating halogenated hydrocarbon |
| 06/30/1993 | EP0548755A1 Nitrogen adsorption with a Ca and/or Sr exchanged lithium X-zeolite |
| 06/30/1993 | EP0548630A1 Apparatus for cleaning noxious exhaust air from industrial installations by regenerative after burning |
| 06/30/1993 | EP0548568A1 Process and apparatus for purifying a gaseous and/or vaporous medium |
| 06/30/1993 | EP0548543A1 Removal of sulfur dioxide from gas streams |
| 06/30/1993 | EP0548499A1 Process for the oxidative purification of nitrogen oxides containing exhaust gases |
| 06/30/1993 | EP0548255A1 PROCESS AND APPARATUS FOR REMOVING NO x? FROM GAS STREAMS. |
| 06/30/1993 | EP0464066B1 Process for the decomposition of waste absorption solutions |
| 06/30/1993 | CN2137179Y Liquid distributor in stuffing tower |
| 06/30/1993 | CN1073613A Flue-gas desulfuration method and its installation |
| 06/30/1993 | CN1021429C Process for catalytic treatment of wastewater |
| 06/30/1993 | CN1021409C Process for eliminating mercury from hydrocarbons |
| 06/29/1993 | US5223552 Passing air stream through active carbon filter |
| 06/29/1993 | US5223239 Method of preparing hydrated lime |
| 06/29/1993 | US5223237 Process for removing sulfur oxides from a gas stream |
| 06/29/1993 | US5223236 Using zeolite |
| 06/29/1993 | US5223230 Component for deodorizing air and other gases |
| 06/29/1993 | US5223175 Dispersed aqueous solution of glyoxal and acetic acid or sodium acetate buffer, saturated liquid hydrocarbon, emulsifier |
| 06/29/1993 | US5223173 Mixture of absorbent and polyvalent chelate compound |
| 06/29/1993 | US5223145 Removal of mercury from process streams |
| 06/29/1993 | US5223004 Method for producing oxygen by adsorption separation from air |
| 06/29/1993 | CA1319671C Oxidation of carbon monoxide and catalyst composition therefor |
| 06/29/1993 | CA1319639C Method and apparatus using a solid electrolyte in the form of a disk for the separation or pumping of oxygen |
| 06/29/1993 | CA1319618C Reactor for reducing the contents of nitrogen oxides and sulphur oxides in combustion gases |
| 06/29/1993 | CA1319493C Method and apparatus for separation of sulfur dioxide from gases, particularly exhaust gases from combustion processes, such as flue gases |
| 06/29/1993 | CA1319476C Semi-permeable membranes with an internal discriminating region |